MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a ClamAV detection and an ML classifier. It contains a link farm pointing to multiple compromised or disposable hosting sites, suggesting an attempt to distribute malicious content or phish users. The presence of numerous unknown URLs indicates a broad distribution effort.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://tssch.in/tssch/application/admin/uploads/file/94001373289.pdf
- http://marinaxaraes.com.br/ckfinder/userfiles/files/duwejako.pdf
- http://jandenzobv.com/image_uploads/file/zaferaxefuja.pdf
- http://decorstore.eu/upload/file/zivobezax.pdf
- http://agmapure.com/upload/files/tatisapipo.pdf
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/1ac7c52a87cd2858f0b53ee6d4235638/69580122584.pdf
- http://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tinasosudalorimobirafat.pdf
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/03ad28b86c4fbd2c7c73025cad0c42f5/1633136991.pdf
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613763b148d70---kupakukizojejevezel.pdf
- https://www.shipgo17.com/plugin/ckeditor/ckfinder/userfiles/files/pomejojanubopudike.pdf
- https://jurad.eu/files/file/52452456414.pdf
- http://radio6deenero.com/uploaded/files/rugaditabatumated.pdf
- http://codienlanhminhquang.com/upload/files/54588251576.pdf
- http://hyswimpool.com/userfiles/fugoteruj.pdf
- http://southerncross-ex.com/images/blog/file/25517039761.pdf
- http://ncfc.com.tr/ckfinder/userfiles/files/dofogedefakoxipim.pdf
- https://cottonweb.net/userfiles/file/jutidepomudorevejidigamol.pdf
- https://mdteam.se/ckfinder/userfiles/files/66226778982.pdf
- https://llibreriaha.com/img/events/file/gusafubizemivawipe.pdf
- http://dermalab.pl/userfiles/file/38295348494.pdf
- http://madinaboys.com/easydo%20v2.00/files/uploads/70720959029.pdf
- https://ipssecurityconsultants.com/ckfinder/userfiles/files/tetanepupidefu.pdf
- https://castilloexterior.es/ckfinder/userfiles/files/vufedilat.pdf
- http://tt-ural.su/admin/ckfinder/userfiles/files/dazog.pdf
- http://tinhdauvietnam.vn/upload/files/98905614023.pdf
- http://omegapizza.net/uploads/files/33810671405.pdf
- http://circolonauticofavignana.it/userfiles/files/68394437389.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=the+personal+mba+josh+kaufman+book+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cbd7.bin109f0c89cb370498b5dfe0671da5aea00cbc58145f1f096b0a6fabf66f56bc05 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBD7 | 10996 bytes |
font_01_sfnt_off0000e4f4.binc0d4ad52295e861cc0ef2df1a1a0fed86ba0ca7c6262d1476cd54d60d8ae1a37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4F4 | 17296 bytes |
font_02_sfnt_off00011185.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11185 | 16792 bytes |
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